Description

3,5-Cyclohexadiene-1,2-Diol, 3-Ethynyl-, cis- (9Ci) is a specialized diol derivative featuring a reactive ethynyl group on a cyclohexadiene scaffold. This unique molecular structure makes it a valuable advanced intermediate for synthesizing complex organic molecules, particularly in pharmaceutical and fine chemical research. It is primarily sought by R&D chemists and process development scientists for constructing novel chemical entities, including potential active pharmaceutical ingredients (APIs) and sophisticated ligands.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), leveraging its reactive diol and ethynyl functionalities.
• Organic Synthesis Reagent: Used in advanced organic chemistry research for constructing complex, polyfunctional molecules through reactions like click chemistry, Sonogashira coupling, and other alkyne-based transformations.
• Ligand and Catalyst Precursor: Serves as a starting material for developing specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Employed in the manufacture of high-value specialty chemicals, including dyes, pigments, and performance materials requiring specific stereochemistry.
• Academic and Industrial R&D: A critical tool in research laboratories for exploring new synthetic methodologies and developing materials with tailored properties.

Basic Information

Product Name	3,5-Cyclohexadiene-1,2-Diol, 3-Ethynyl-, cis- (9Ci)
CAS No.	141506-22-1
Molecular Formula	C8H8O2
Molecular Weight	136.15 g/mol
Synonyms	cis-3-Ethynyl-3,5-cyclohexadiene-1,2-diol; 3-Ethynylcyclohexa-3,5-diene-1,2-diol; 1,2-Dihydroxy-3-ethynyl-3,5-cyclohexadiene; 3-Ethynyl-1,2-dihydroxy-3,5-cyclohexadiene; (1R,2S)-3-Ethynylcyclohexa-3,5-diene-1,2-diol (for specific stereoisomer); 3-Ethynylbenzene-1,2-diol derivative
EINECS	Contact for details

Quality Control

Our production of 3,5-Cyclohexadiene-1,2-Diol, 3-Ethynyl-, cis- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. This compound is easily oxidized; prolonged exposure to air should be avoided. Keep the container in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.